Zkl bearings [india] offers sd series of housing. Zkl - sd housings are of split type and have improved design for use with larger spherical roller bearing from 231 k series for shaft diameter from 150 mm to 300 mm. Sd housings are supplied with two labyrinth seal rings for through shaft application for locating [bf] and for non-locating end [bl]. Sd housing for end shaft are supplied with one end cover and one labyrinth seal ring for locating bearings [af] and non-locating bearings [al]. For locating end bearing, the housings are provided with separate locating ring to restrict bearing axial movement inside housing, sd housing material is made of either grey cast iron to is: 210-93 or can be made at customer request from cast steel to is: 1030 - 1989. Sd housings are suitable for grease and oil lubrication. Generally, the initial grease filling quantity should be at least 50 per cent of the empty space with recommended grease. Sd housings are used for bearings having tapered bore with adapter sleeves.
